Home / 43,148.64-64,730.33-19,777.08

Finding the Fourth Proportional to 43,148.64, 64,730.33 and 19,777.08

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Solution

The fourth proportional to 43,148.64, 64,730.33 and 19,777.08 is: 29,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,148.64 : 64,730.33 = 19,777.08 : x
  2. Step 2: Convert to fraction form
    43,148.64/64,730.33 = 19,777.08/x
  3. Step 3: Cross multiply
    43,148.64x = 64,730.33 × 19,777.08
  4. Step 4: Simplify right side
    43,148.64x = 1,280,176,640.63
  5. Step 5: Solve for x
    x = 1,280,176,640.63/43,148.64
  6. Step 6: Final answer
    x = 29,669.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.